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Phylum Mollusca Review

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.
What is the meaning of Gastropod?
a)
Soft-bodied
b)
Stomach foot
c)
Head-footed
d)
Two-shelled
2.
Which group of Molluscs does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
3.
What Mollusc group does the snail belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
4.
How do Bivalves eat?
a)
Filter feeders
b)
Radula
c)
Tentacles
5.
Which class of Molluscs include clams, scallops, and mussels?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
6.
What type of gastropod is pictured? 
a)
tulip snail
b)
cowry snail
c)
abalone
d)
nudibranch
7.
Which part of the Mollusk body is the tissue covering the body and secretes the shell?
a)
Mantle
b)
Trochophore
c)
Foot
d)
Visceral Mass
8.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
9.
What type of body do all Mollusks have?
a)
Segmented
b)
Soft
c)
Rigid
d)
Clear
10.
What are the major groups of Mollusks?
a)
Cnidarians, Gastropods, Porifera
b)
Gastropods, Bivalves, Cephalopods
c)
Porifera, Cephalopods, Cnidarians
11.
Mollusk's tongue-like strip covered with teeth that point backward is called the ____
a)
trochopore
b)
radula
c)
gills
d)
visceral mass
12.

This is a

a)

blue dragon nudibranch

b)

man o war

c)

blue sponge

13.

Dangerous gastropod with a powerful venom and painful barbed stinger

a)

abalone

b)

giant conch snail

c)

cone snail

d)

nudibranch

14.

Which group of gastropods can "steal" the stinging cells from cnidarians and store them in their own epithelial tissues in order to defend itself from predators?

a)

nudibranches

b)

conch snail

c)

all snails

d)

cone snail

15.
All gastropods have shells
a)
true
b)
false
16.

Which animal does NOT catch its prey with the help of a sharp, barbed harpoon-like structure?

a)

jellyfish

b)

cone snails

c)

ribbon worms

d)

sponges

17.

Geographic cone snails are deadly to humans.

a)

True

b)

False

18.

Nudibranches can eat jellies because they

a)

are immune the to the toxins

b)

have a mucus coating on their esophagus so they don't get stung

c)

trick question, they don't eat jellyfish

d)

have really thick armor that stinging cells can't penetrate

19.

Cone snails can modify the toxins they use when stinging based on the type of animal they are going to attack

a)

True

b)

False

20.

Complete the saying. "If it's a cone, ..."

a)

give it a home

b)

hand it the phone

c)

leave it alone